CN220792348U

CN220792348U - Damping corrugated pipe

Info

Publication number: CN220792348U
Application number: CN202322476122.5U
Authority: CN
Inventors: 王俊庆; 牛正国; 冯志刁; 邵鹏
Original assignee: Henan Pengqing Plastic Industry Co ltd
Current assignee: Henan Pengqing Plastic Industry Co ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-04-16
Anticipated expiration: 2033-09-12

Abstract

The utility model discloses a shock absorption corrugated pipe, which comprises two connecting plates, wherein a corrugated main pipe is connected between the two connecting plates, the corrugated main pipe is formed by arranging an outer convex pipe and an inner concave pipe in an equidistant manner, the outer convex pipe and the inner concave pipe are arranged in a crossing and interval manner, the two connecting plates are welded with the adjacent outer convex pipe, two sides of the outer convex pipe and two sides of the inner concave pipe are uniformly and integrally formed with abutting rings, the adjacent two abutting rings are contacted with each other, and a clamping mechanism is arranged between the two abutting rings. According to the utility model, the corrugated pipe is arranged in a modularized manner, and when the corrugated pipe is bent for a plurality of times or is locally damaged after long-time use, the outer convex pipe and the inner concave pipe at the damaged part can be replaced, so that the use of the corrugated pipe is maintained; utilize the preliminary buffering of damping ring during the collision, then further shock attenuation buffering through compressing the buffer chamber, improve the shock attenuation buffer capacity of bellows, play the guard action to the bellows, improve its life.

Description

Damping corrugated pipe

Technical Field

The utility model relates to the technical field of corrugated pipes, in particular to a damping corrugated pipe.

Background

The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm capsule, a metal hose and the like. The metal corrugated pipe is mainly applied to the functions of compensating thermal deformation, shock absorption, pipeline settlement deformation and the like of pipelines, and is widely applied to industries such as petrochemical industry, instruments, aerospace, chemical industry, electric power, water conservancy, metallurgy and the like. Bellows made of other materials such as plastics have irreplaceable functions in the fields of medium transmission, electric power threading, machine tools, household appliances and the like.

The bellows can displace under the action of pressure, axial force, transverse force or bending moment, but the problem that the bellows is broken and damaged easily occurs after the bellows is increased in number and used for a long time is generally caused by directly replacing the whole bellows, the maintenance cost of the bellows is increased, the bellows does not have a damping protection function, and the bellows is broken and cracked easily when collision occurs.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a damping corrugated pipe.

In order to solve the above background technical problems, the present utility model adopts the following technical scheme.

The utility model provides a shock attenuation bellows, includes two connecting plates, two be connected with the ripple trunk line between the connecting plate, the ripple trunk line is by evagination pipe and indent pipe that the equidistance was arranged, and evagination pipe and indent pipe intercrossing interval set up, two the connecting plate welds with adjacent evagination pipe, the both sides homogeneous body shaping of evagination pipe and indent pipe has the docking collar, adjacent two docking collar contact each other, and installs the joint mechanism between two docking collar, install the damping collar on the evagination pipe, there is the cushion chamber between damping collar and the evagination pipe.

As a further description of the above technical solution:

the clamping mechanism comprises a buckle and a lock catch, wherein the buckle is respectively buckled on the inner butt joint ring, the lock catch is buckled on the outer butt joint ring, the lock catch is inserted on the buckle, a screw is inserted on the lock catch, and the bottom end of the screw is in threaded connection with the buckle.

As a further description of the above technical solution:

the material of the outer convex pipe is metal, and the material of the inner concave pipe is rubber.

As a further description of the above technical solution:

the clamping mechanism comprises a sealing ring sleeved on the concave pipe, the lock catch is inserted on the sealing ring, and the bottom end of the screw is in threaded connection with the lock catch.

As a further description of the above technical solution:

the damping ring is made of rubber, and reset reinforcing ribs are inserted in the damping ring.

As a further description of the above technical solution:

the reset reinforcing ribs are made of carbon spring steel, and the damping rings are provided with pressure relief holes which are uniformly distributed.

Compared with the prior art, the utility model has the advantages that:

(1) According to the scheme, the corrugated pipe is split into the connecting plate, the outer convex pipe and the inner concave pipe, and the corrugated pipe is arranged in a modularized mode, so that the outer convex pipe and the inner concave pipe at the damaged position can be replaced when the corrugated pipe is bent for a plurality of times or is locally damaged after being used for a long time, and the corrugated pipe is maintained to be used.

(2) This scheme sets up the damping ring at the bellying of evagination pipe to reserve the buffer chamber between damping ring and evagination pipe, utilize the preliminary buffering of damping ring during the collision, then further shock attenuation buffering through compression buffer chamber improves the shock attenuation buffer capacity of bellows, plays the guard action to the bellows, improves its life.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1 according to the present utility model;

FIG. 3 is a schematic view of a connection structure of a latch and a seal ring according to the present utility model;

FIG. 4 is a schematic structural view of a seal ring of the present utility model;

FIG. 5 is a schematic view of the shock ring of the present utility model.

The reference numerals in the figures illustrate:

1. a connecting plate; 2. a male tube; 3. a concave pipe; 4. a docking collar; 5. a clamping mechanism; 51. a buckle; 52. locking; 53. a seal ring; 6. a shock-absorbing ring; 61. resetting the reinforcing ribs; 7. a buffer chamber.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;

referring to fig. 1 to 4, in the present utility model, a shock absorbing corrugated pipe comprises two connection plates 1, a corrugated main pipe is connected between the two connection plates 1, the corrugated main pipe is composed of an outer convex pipe 2 and an inner concave pipe 3 which are equidistantly arranged, the outer convex pipe 2 and the inner concave pipe 3 are arranged at an interval crossing each other, the two connection plates 1 are welded with the adjacent outer convex pipe 2, two sides of the outer convex pipe 2 and the inner concave pipe 3 are integrally formed with butt joint rings 4, the two adjacent butt joint rings 4 are contacted with each other, a clamping mechanism 5 is installed between the two butt joint rings 4, a shock absorbing ring 6 is installed on the outer convex pipe 2, and a buffer cavity 7 is formed between the shock absorbing ring 6 and the outer convex pipe 2.

According to the corrugated pipe structure, the corrugated pipe structure is divided into the connecting plate 1, the outer convex pipe 2 and the inner concave pipe 3, the outer convex pipe 2 is in butt joint with the inner concave pipe 3 through the butt joint ring 4, the butt joint ring 4 which is connected with each other is fixed through the clamping mechanism 5, so that the outer convex pipe 2 and the inner concave pipe 3 are combined into a complete corrugated main pipe, then the outer convex pipe 2 at two ends of the corrugated main pipe is welded with the connecting plate 1, the corrugated pipe can be replaced with the inner concave pipe 3 when the corrugated pipe is bent for a plurality of times or is partially broken after being used for a long time, the corrugated pipe is used, the use of the corrugated pipe is maintained, most of the protruding part of the outer convex pipe 2 is a concentrated point which collides with the outside, the buffer cavity 7 is reserved between the buffer ring 6 and the outer convex pipe 2 through the buffer part of the buffer ring 6, and then the buffer cavity 7 is compressed for further buffering, the buffer capacity of the corrugated pipe is improved, and the protection function on the corrugated pipe is provided, and the service life of the corrugated pipe is prolonged.

Please refer to fig. 1 and 2, wherein: the clamping mechanism 5 comprises a buckle 51 respectively buckled on the inner butt joint ring 4 and a buckle 52 buckled on the outer butt joint ring 4, the buckle 52 is inserted into the buckle 51, a screw is inserted into the buckle 52, and the bottom end of the screw is in threaded connection with the buckle 51;

the clamping mechanism 5 comprises a sealing ring 53 sleeved on the concave pipe 3, the lock catch 52 is inserted on the sealing ring 53, and the bottom end of the screw is in threaded connection with the lock catch 51.

In the utility model, two different clamping mechanisms 5 can be adopted according to the sealing use requirement of the corrugated pipe:

firstly, a plurality of groups of buckles 51 are matched with the buckles 52, then the buckles are fixed through screws, and two butt joint rings 4 between the buckles 51 and the buckles 52 are fixedly butted, so that the step of connecting the outer convex pipe 2 and the inner concave pipe 3 is completed;

secondly, when the sealing performance of the corrugated pipe needs to be improved and the occurrence of leakage is reduced, the sealing ring 53 is adopted, the lock catches 52 are fixed on the sealing ring 53 by utilizing the screws on the lock catches 52, the two butt joint rings 4 are fixedly butted, the fixed limited area is enlarged, and the sealing effect is improved.

Please refer to fig. 1, 3 and 4, wherein: the outer convex pipe 2 is made of metal, and the inner concave pipe 3 is made of rubber.

In the utility model, the metal outer convex pipe 2 is not easy to deform in the bending process, so that the main deformation part is concentrated on the rubber inner concave pipe 3, and when the inner concave pipe 3 is damaged due to aging or excessive bending times in long-time use, the inner concave pipe 3 only needs to be replaced.

Please refer to fig. 1 and 2, wherein: the shock-absorbing ring 6 is made of rubber, and the reset reinforcing ribs 61 are inserted into the shock-absorbing ring 6.

In the utility model, the damping effect and elasticity of the rubber damping ring 6 are utilized to effectively play a role in buffering and damping the collision, and the rubber damping ring 6 can be restored by the restoring reinforcing rib 61 after the collision is completed.

Please refer to fig. 3 and 5, wherein: the reset reinforcing ribs 61 are made of carbon spring steel, and the damping rings 6 are provided with pressure relief holes which are uniformly distributed.

In the utility model, the elastic carbon spring steel has good elasticity and memory effect, is convenient for resetting the shock absorption ring 6, and can remove gas to a certain extent through the pressure release hole when the shock absorption ring collides with the compression buffer cavity 7, thereby playing a role in buffering and energy consumption.

The foregoing is a preferred embodiment of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. A shock attenuation bellows, its characterized in that: including two connecting plates (1), two be connected with ripple trunk line between connecting plate (1), ripple trunk line is by evagination pipe (2) and indent pipe (3) that the equidistance was arranged, and evagination pipe (2) and indent pipe (3) intercrossing interval set up, two connecting plate (1) and adjacent evagination pipe (2) welding, equal integrated into one piece in both sides of evagination pipe (2) and indent pipe (3) has docking collar (4), adjacent two docking collar (4) contact each other, and joint mechanism (5) of installing between two docking collar (4), install damping ring (6) on evagination pipe (2), there is buffer chamber (7) between damping ring (6) and the evagination pipe (2).

2. A shock absorbing bellows as claimed in claim 1, wherein: the clamping mechanism (5) comprises a buckle (51) and a buckle (52), wherein the buckle (51) is respectively buckled on the inner butt joint ring (4), the buckle (52) is buckled on the outer butt joint ring (4), the buckle (52) is inserted on the buckle (51), a screw is inserted on the buckle (52), and the bottom end of the screw is in threaded connection with the buckle (51).

3. A shock absorbing bellows as claimed in claim 1, wherein: the material of the outer convex pipe (2) is metal, and the material of the inner concave pipe (3) is rubber.

4. A shock absorbing bellows as claimed in claim 2, wherein: the clamping mechanism (5) comprises a sealing ring (53) sleeved on the concave pipe (3), the lock catch (52) is inserted on the sealing ring (53), and the bottom end of the screw is in threaded connection with the lock catch (51).

5. A shock absorbing bellows as claimed in claim 1, wherein: the damping ring (6) is made of rubber, and reset reinforcing ribs (61) are inserted into the damping ring (6).

6. A shock absorbing bellows as defined in claim 5, wherein: the reset reinforcing ribs (61) are made of carbon spring steel, and pressure relief holes which are uniformly distributed are formed in the shock absorption ring (6).